Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A museum dedicated to the history and exploration of both popular music and science fiction.

A magical place that lets you play in and explore the world of Studio Ghibli.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Where America's first doomsday cult awaited the end of the world.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Shop selling 500 flavors of soda has something for everyone.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Enormous lake at the bottom of a unique cave system.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Elevated freight railway turned wildly successful urban park.

A walk through the historic city center, under the streets of Seattle.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.